PartsTable
Technical Data Sheet
R978800271 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-421-6115, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
R978800271
NSN: 5331-01-421-6115
FSC: 5331 — O-RING
CAGE: 27005 — BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS (USA)
SPECIFICATIONS
Part NumberR978800271
NSN5331-01-421-6115
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R978800271 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
6502-3109198ITEMInterchangeable
interchangeable cross-reference
interchangeable
6502-3109195PCSYInterchangeable
interchangeable cross-reference
interchangeable
800271Interchangeable
interchangeable cross-reference
interchangeable
N8211G6Y/MM-1 ITEM 5Interchangeable
interchangeable cross-reference
interchangeable
80027-2Interchangeable
interchangeable cross-reference
interchangeable
2TA51FS500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R978800271?
R978800271 is a O-RING.
What parts can replace R978800271?
There are 9 known substitutes for R978800271: 6502-3109198ITEM, 6502-3109195PCSY, 800271 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R978800271?
R978800271 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-421-6115. This indicates validated use in U.S. government and defense supply chains.
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